초록 ▼

A machine for making film packages that includes complementary closure ribs, the machine including a drive for conveying closure ribs transversely with respect to the film and comprising in combination: a rectilinear guide superposed relative to the film and extending transversely relative thereto,

A machine for making film packages that includes complementary closure ribs, the machine including a drive for conveying closure ribs transversely with respect to the film and comprising in combination: a rectilinear guide superposed relative to the film and extending transversely relative thereto, the guide being designed to accurately position at least one closure rib transversely over the film; and a device for grasping the leading end of the closure rib and capable of moving transversely along the guide to convey the closure rib therealong by pulling on the leading end of the closure rib.

대표청구항 ▼

[ I claim:] [1.] A machine for making film packages that include complementary closure ribs, comprising:means for conveying a film in a longitudinal direction;rectilinear guide means, overlying said film, having a predetermined configuration, and extending transversely with respect to said longitudi

[ I claim:] [1.] A machine for making film packages that include complementary closure ribs, comprising:means for conveying a film in a longitudinal direction;rectilinear guide means, overlying said film, having a predetermined configuration, and extending transversely with respect to said longitudinal direction in which said film is conveyed, for accurately positioning at least one closure rib transversely with respect to said film; andmeans for grasping a leading end portion of said at least one closure rib and having a predetermined configuration which is complementary to said predetermined configuration of said rectilinear guide means for moving transversely along and in contact with said rectilinear guide means so as to be guided by said rectilinear guide means and thereby be able to convey said at least one closure rib along said rectilinear guide means by pulling on said leading end portion of said at least one closure rib and thereby accurately positioning said at least one closure rib at a predetermined position with respect to said film.